html {
    font-size: 100px;
    min-width: 1100px;
    overflow-x: hidden;
    height: 100%;

    * {
        margin: 0;
        padding: 0;
    }

    a {
        text-decoration: none;
    }

    li{
        list-style: none;
    }

    body{
        height: 100%;
        display: flex;
        align-content:space-between;
        flex-wrap: wrap;
    }

    .box {
        width: 100%;
        margin: auto;
        position: relative;
        z-index: 2;
        .bgc_img {
            width: 100%;
            height: 100%;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 1;

            video {
                width: 100%;
                height: 100%;
                object-fit: cover;
                object-position: center;
            }
        }

        .container {
            width: 100%;
            margin-top: 1.4rem;
            position: relative;
            z-index: 2;
            font-size: .16rem;
        }

        nav {
            .nav {
                width: 19.2rem;
                display: flex;
                justify-content: space-between;
                position: fixed;
                top: 0;
                z-index: 999;
                height: 1rem;
                background-color: #ffffff;
                ul {
                    list-style: none;
                    display: flex;
                    height: 1rem;
                    color: #0099ff;
                    font-weight: 900;
                    margin-left: 3rem;
                    .initial {
                        background-color: rgba(156, 189, 248, 0.6);
                    }
                    li {
                        width: 1rem;
                        height: 1rem;
                        font-size: 0.2rem;
                        cursor: pointer;
                        a {
                            width: 1rem;
                            height: 1rem;
                            display: flex;
                            justify-content: center;
                            align-items: center;
                            color: #0099ff;
                            span {
                                display: inline-block;
                            }
                        }
                    }
                    li:hover {
                        background-color: rgba(156, 189, 248, 0.6);
                    }
                }
                ol {
                    width: 2.6rem;
                    list-style: none;
                    display: flex;
                    align-items: center;
                    justify-content: space-around;
                    height: 1rem;
                    font-weight: 900;
                    margin-right: 1rem;
                    a {
                        color: #0099ff;
                        width: 100%;
                        height: 100%;
                        text-align: center;
                        line-height: .5rem;
                    }
                    .li:hover {
                        background-color: rgba(156, 189, 248, 0.6);
                    }
                    .li {
                        display: flex;
                        align-items: center;
                        justify-content: center;
                        font-size: 0.2rem;
                        cursor: pointer;
                        width: 1rem;
                        border: 2px solid rgba(156, 189, 248, 0.6);
                        height: 0.5rem !important;
                        border-radius: 0.1rem;
                    }
                    .lis {
                        display: flex;
                        align-items: center;
                        justify-content: center;
                        width: 1.3rem;
                        font-size: 0.2rem;
                        color: #0099ff;
                        img {
                            width: 0.8rem;
                            border-radius: 50%;
                        }
                    }
                    .lis:nth-child(2) {
                        cursor: pointer;
                    }
                }
            }
        }
    }
    .copyright {
        width: 100%;
        height: .5rem;
        text-align: center;
        font-size: .12rem;
        color: white;
        line-height: .5rem;
        position: relative;
        z-index: 2;
    }
}
